导演：Leslie Norman Joseph Losey 

主演：Dean Jagger Edward Chapman Leo McKern Anthony Newley 

片名：《X--未知的元素》（又名：X--the Unknown）；年份：1956；语言地区：英语英国；状态：HD中字；豆瓣平均分：6.0

正在播放：X--未知的元素HD中字 | 播放器：无尽播放 | 播放清晰度：超清 | 播放速度：流畅 | 版本：完整版全集 | 剧情：　　British Army radiation drills at a remote Scottish base attract a subterranean, radioactive entity of unknown nature that vanishes, leaving two severely radiation-burned soldiers... and a "bottomless" crack in the earth. Others who meet the thing in the night suffer likewise, and with increasing severity; it seems to be able to "absorb" radiation from any source, growing bigger and bigger. What is it?? How do you destroy a thing that "feeds" on energy?